:root{
  --bg:#f6f7ff; --card:#fff; --ink:#1e1b4b; --muted:#6b7280; --line:#e6e8f5;
  --pri:#6366f1; --pri2:#a855f7; --pink:#ec4899; --amber:#f59e0b; --green:#10b981; --sky:#0ea5e9; --red:#ef4444;
  --grad:linear-gradient(120deg,#6366f1,#a855f7 55%,#ec4899);
  --r:18px; --sh:0 8px 30px rgba(79,70,229,.10);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--pri);text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.2;margin:0}
button,input,select,textarea{font:inherit}
[hidden]{display:none!important}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:12px max(16px,calc((100% - 1200px)/2));background:rgba(255,255,255,.88);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;color:var(--ink)}
.brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:4px;flex:1}
.nav a{padding:8px 14px;border-radius:999px;color:var(--muted);font-weight:600;font-size:15px}
.nav a:hover{color:var(--ink);background:#eef0ff}
.nav a.on{background:var(--grad);color:#fff}
.menu-btn{display:none;margin-left:auto;background:none;border:0;font-size:24px;cursor:pointer;color:var(--ink)}
.user-chip{display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px}
.user-chip button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;cursor:pointer;color:var(--muted);font-weight:600}
.av{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-weight:700;overflow:hidden;flex:none}
.av img{width:100%;height:100%;object-fit:cover}
body:not(.is-admin) .admin-only{display:none}

main{max-width:1200px;margin:0 auto;padding:24px 16px 48px;min-height:70vh}
.foot{text-align:center;color:var(--muted);font-size:13px;padding:24px 16px}

/* buttons & forms */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font-weight:700;cursor:pointer;background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(168,85,247,.28);transition:transform .15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn.ghost{background:#fff;color:var(--pri);border:1.5px solid #dcdffb;box-shadow:none}
.btn.green{background:linear-gradient(120deg,#10b981,#22c55e);box-shadow:0 6px 18px rgba(16,185,129,.28)}
.btn.amber{background:linear-gradient(120deg,#f59e0b,#f97316);box-shadow:0 6px 18px rgba(245,158,11,.3)}
.btn.red{background:#fff;color:var(--red);border:1.5px solid #fecaca;box-shadow:none}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:10px}
.btn.block{width:100%}
label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
label .req{color:var(--red)}
input,select,textarea{width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--pri);box-shadow:0 0 0 4px rgba(99,102,241,.12)}
input[readonly]{background:#f3f4f6;color:var(--muted)}
textarea{min-height:90px;resize:vertical}
.f{margin-bottom:14px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.check{display:flex;gap:8px;align-items:center;font-weight:500}
.check input{width:auto}

/* auth */
.auth{display:grid;grid-template-columns:minmax(340px,460px) 1fr;min-height:100vh}
.auth-form{background:#fff;padding:40px 44px;display:flex;flex-direction:column;justify-content:center}
.auth-form h1{font-size:28px;margin:18px 0 6px}
.auth-form p.sub{color:var(--muted);margin:0 0 24px}
.auth-art{position:relative;background:url(assets/img/hero.jpg) center/cover;display:flex;align-items:flex-end;padding:48px;color:#fff}
.auth-art::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(99,102,241,.05),rgba(79,70,229,.55) 55%,rgba(168,85,247,.85))}
.auth-art>div{position:relative;max-width:560px}
.auth-art h2{font-size:42px;font-weight:800;margin-bottom:12px}
.auth-art p{font-size:18px;opacity:.95;margin:0}
.auth-art .pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.auth-art .pills span{background:rgba(255,255,255,.2);backdrop-filter:blur(6px);padding:8px 14px;border-radius:999px;font-weight:600;font-size:14px}
.demo{margin-top:18px;background:#f5f3ff;border:1px dashed #c4b5fd;border-radius:12px;padding:12px 14px;font-size:13px}
.demo button{margin:6px 6px 0 0}
.err{color:var(--red);font-size:14px;min-height:20px;margin-bottom:8px}

/* home */
.slider{display:grid;grid-auto-flow:column;grid-auto-columns:62%;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;scrollbar-width:none}
.slider::-webkit-scrollbar{display:none}
.slide{scroll-snap-align:start;position:relative;border-radius:24px;overflow:hidden;aspect-ratio:16/7.5;color:#fff;display:flex;align-items:flex-end;padding:28px;background:#ddd center/cover}
.slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(30,27,75,.85),rgba(30,27,75,.15) 70%)}
.slide>div{position:relative;max-width:520px}
.slide h2{font-size:clamp(20px,3vw,32px);font-weight:800;margin:10px 0}
.slide p{margin:0 0 14px;opacity:.9}
.slider-wrap{position:relative;margin-bottom:28px}
.sl-btn{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border-radius:50%;border:0;background:#fff;box-shadow:var(--sh);cursor:pointer;font-size:20px;z-index:2;color:var(--ink)}
.sl-btn.l{left:-10px}.sl-btn.r{right:-10px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}
.stat{background:var(--card);border-radius:var(--r);padding:18px;display:flex;gap:14px;align-items:center;box-shadow:var(--sh)}
.stat .ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-size:22px;color:#fff;flex:none}
.stat b{font-size:24px;display:block;line-height:1.1}
.stat small{color:var(--muted);font-weight:600}
.sec{margin-bottom:36px}
.sec-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px}
.sec-h h2{font-size:22px;font-weight:800;display:flex;align-items:center;gap:10px}
.sec-h h2::after{content:"";display:block;width:0}
.sec-h .bar{display:block;height:4px;width:60px;border-radius:4px;background:var(--grad);margin-top:6px}
.sec-h a{font-weight:700;font-size:14px;white-space:nowrap}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:var(--card);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;color:var(--ink);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(79,70,229,.18)}
.card .img{position:relative;aspect-ratio:16/9;background:#eee center/cover}
.date{position:absolute;right:10px;bottom:-18px;background:#fff;border-radius:12px;padding:5px 10px;text-align:center;box-shadow:var(--sh);line-height:1.05}
.date b{font-size:20px;display:block;color:var(--pri)}
.date small{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase}
.card .body{padding:16px;flex:1;display:flex;flex-direction:column;gap:8px}
.card h3{font-size:15.5px;font-weight:700;padding-right:56px}
.meta{font-size:13px;color:var(--muted);display:flex;gap:6px;align-items:flex-start}
.card .foot2{margin-top:auto;display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.tag{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#eef0ff;color:var(--pri)}
.tag.pts{background:#fef3c7;color:#b45309}
.tag.st-live{background:#dcfce7;color:#15803d}
.tag.st-up{background:#e0f2fe;color:#0369a1}
.tag.st-past{background:#f3f4f6;color:#6b7280}
.tag.ok{background:#dcfce7;color:#15803d}
.empty{background:#fff;border:2px dashed var(--line);border-radius:var(--r);padding:30px;text-align:center;color:var(--muted)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.toolbar input{flex:1;min-width:200px}
.toolbar select{width:auto}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.tabs a{padding:8px 16px;border-radius:999px;background:#fff;border:1.5px solid var(--line);font-weight:700;font-size:14px;color:var(--muted)}
.tabs a.on{background:var(--ink);color:#fff;border-color:var(--ink)}

/* detail */
.d-hero{position:relative;border-radius:24px;overflow:hidden;min-height:340px;display:flex;align-items:flex-end;padding:28px;color:#fff;background:#ccc center/cover}
.d-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(30,27,75,.92),rgba(30,27,75,.1) 70%)}
.d-hero>div{position:relative}
.d-hero h1{font-size:clamp(22px,3.4vw,36px);font-weight:800;margin:10px 0}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chips span{background:rgba(255,255,255,.18);backdrop-filter:blur(6px);padding:6px 12px;border-radius:999px;font-size:13px;font-weight:600}
.d-grid{display:grid;grid-template-columns:1fr 360px;gap:20px;margin-top:20px;align-items:start}
.panel{background:var(--card);border-radius:var(--r);padding:22px;box-shadow:var(--sh);margin-bottom:20px}
.panel h3{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.panel h3 .i{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;font-size:16px;background:#eef0ff}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-radius:12px;overflow:hidden}
.kv div{background:#fafbff;padding:12px 14px}
.kv small{display:block;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.kv b{font-weight:700}
.cd{display:flex;gap:10px;justify-content:center}
.cd div{background:var(--grad);color:#fff;border-radius:14px;width:72px;padding:10px 0;text-align:center}
.cd b{font-size:28px;display:block;line-height:1.1}
.cd small{font-size:11px;font-weight:700;opacity:.9}
.side-act{position:sticky;top:84px}
.steps{display:flex;flex-direction:column;gap:10px}
.step{display:flex;gap:12px;align-items:center;padding:12px;border-radius:14px;border:1.5px solid var(--line)}
.step.done{border-color:#bbf7d0;background:#f0fdf4}
.step .n{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:800;flex:none}
.step div{flex:1}
.step small{color:var(--muted);font-size:12px;display:block}
.ptgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.pt{border-radius:16px;padding:16px;text-align:center;color:#fff}
.pt b{font-size:30px;display:block}
.pt small{font-size:11px;font-weight:700;text-transform:uppercase;opacity:.95}
ul.obj{margin:0;padding-left:20px}
ul.obj li{margin-bottom:6px}
.person{display:flex;gap:12px;align-items:center}
.org-row{padding:12px 0;border-bottom:1px solid var(--line)}
.org-row:last-child{border:0}
.org-row small{display:block;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase}

/* dashboard */
.dash-top{display:grid;grid-template-columns:340px 1fr;gap:0;border-radius:24px;overflow:hidden;background:var(--grad);color:#fff;margin-bottom:20px;box-shadow:0 14px 40px rgba(168,85,247,.3)}
.dash-l{padding:28px;display:flex;flex-direction:column;gap:6px;background:rgba(255,255,255,.08)}
.dash-l h1{font-size:34px;font-weight:800}
.dash-l .big{font-size:64px;font-weight:800;line-height:1}
.rank{margin-top:auto;background:rgba(255,255,255,.18);border-radius:16px;padding:14px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.rank b{font-size:26px}
.rank a{color:#fff;border:1.5px solid rgba(255,255,255,.6);border-radius:999px;padding:6px 12px;font-weight:700;font-size:13px;white-space:nowrap}
.dash-r{padding:24px;min-height:300px;position:relative}
.dash-r h3{font-weight:800}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.d3{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:20px}
.cert{display:flex;gap:12px;align-items:center;padding:12px;border:1.5px solid var(--line);border-radius:14px;margin-bottom:10px}
.cert .ic{width:42px;height:42px;border-radius:12px;background:linear-gradient(120deg,#f59e0b,#f97316);display:grid;place-items:center;color:#fff;font-size:20px;flex:none}
.cert div{flex:1;min-width:0}
.cert b{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cert small{color:var(--muted);font-size:12px}
.mini{display:flex;gap:10px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line);color:var(--ink)}
.mini:last-child{border:0}
.mini img{width:64px;height:44px;border-radius:8px;object-fit:cover}
.mini div{flex:1;min-width:0}
.mini b{font-size:13.5px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini small{color:var(--muted);font-size:12px}
#qr{display:grid;place-items:center;padding:10px}
#qr img{border-radius:8px}

/* profile edit */
.p-grid{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}
.avatar-up{width:160px;height:160px;border-radius:50%;margin:10px auto;border:3px dashed #c7d2fe;display:grid;place-items:center;cursor:pointer;overflow:hidden;background:#f5f3ff;font-size:40px;color:var(--pri)}
.avatar-up img{width:100%;height:100%;object-fit:cover}

/* admin */
.tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--sh)}
.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px;vertical-align:middle}
.tbl th{background:#f5f3ff;font-size:12px;text-transform:uppercase;color:var(--muted)}
.tbl img{width:72px;height:44px;object-fit:cover;border-radius:8px}
.tbl-wrap{overflow-x:auto}
.how{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.how div{background:#fff;border-radius:16px;padding:16px;box-shadow:var(--sh)}
.how b{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;margin-bottom:8px}
.how p{margin:0;font-size:13.5px;color:var(--muted)}
.img-prev{aspect-ratio:16/9;border-radius:14px;background:#f5f3ff center/cover;border:2px dashed #c7d2fe;display:grid;place-items:center;color:var(--muted);cursor:pointer;margin-bottom:8px}
.form-sec{font-size:15px;font-weight:800;margin:8px 0 14px;padding-bottom:8px;border-bottom:2px solid var(--line);color:var(--pri)}

/* leaderboard */
.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px;align-items:end}
.pod{background:#fff;border-radius:20px;padding:20px;text-align:center;box-shadow:var(--sh)}
.pod .av{width:64px;height:64px;margin:0 auto 10px;font-size:22px}
.pod.p1{padding-top:34px;background:linear-gradient(180deg,#fef3c7,#fff)}
.pod .medal{font-size:30px}
.lb-row.me{background:#f5f3ff}
.award{background:linear-gradient(120deg,#f59e0b,#ec4899);color:#fff;border-radius:20px;padding:20px 24px;margin-bottom:20px;display:flex;gap:16px;align-items:center}
.award .t{font-size:40px}

.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(120px);background:var(--ink);color:#fff;padding:12px 20px;border-radius:12px;font-weight:600;transition:transform .3s;z-index:99;max-width:calc(100% - 32px)}
.toast.show{transform:translateX(-50%) translateY(0)}
.modal{position:fixed;inset:0;background:rgba(30,27,75,.5);display:grid;place-items:center;z-index:50;padding:16px}
.modal>div{background:#fff;border-radius:20px;padding:24px;width:100%;max-width:440px}
.stars{display:flex;gap:6px;font-size:32px;margin:10px 0}
.stars span{cursor:pointer;color:#e5e7eb}
.stars span.on{color:var(--amber)}

@media (max-width:1000px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .stats,.kpis{grid-template-columns:repeat(2,1fr)}
  .d-grid,.dash-top,.d3,.p-grid{grid-template-columns:1fr}
  .side-act{position:static}
  .how{grid-template-columns:1fr 1fr}
  .auth{grid-template-columns:1fr}
  .auth-art{min-height:260px;order:-1;padding:28px}
  .auth-art h2{font-size:28px}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#fff;padding:10px 16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .user-chip span.nm{display:none}
  .slider{grid-auto-columns:88%}
  .slide{aspect-ratio:4/3.4;padding:20px}
  .sl-btn{display:none}
  .grid2,.grid3{grid-template-columns:1fr}
  .ptgrid{grid-template-columns:1fr 1fr}
  .kv{grid-template-columns:1fr}
  .auth-form{padding:28px 16px}
  .podium{grid-template-columns:1fr}
  .how{grid-template-columns:1fr}
}
@media (max-width:520px){
  .cards{grid-template-columns:1fr}
  .stats,.kpis{grid-template-columns:1fr 1fr;gap:10px}
  .stat{padding:14px;gap:10px}
  .stat .ic{width:38px;height:38px;font-size:18px}
  .cd div{width:62px}
}